DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerManual operation
Fan speed control
Press the fan speed control
buttons to
manually control the fan speed.
Press the AUTO button to return to automatic
control of the fan speed.
Air recirculation
Press the air recirculation
button to recirculate
interior air inside the vehicle. The
indicator l ...
Power control system
System Diagram
System Description
COOLING FAN CONTROL
IPDM E/R controls cooling fans according to the status of the cooling fan
speed request signal received from
ECM via CAN communication.
GENERATOR CONTROL
IPDM E/R outputs power generation command signal (PWM signal) to the
generat ...
ECU diagnosis information
A/C AUTO AMP
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CONSULT MONITOR ITEM
A/C AUTO AMP. HARNESS CONNECTOR TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUES FOR A/C AUTO AMP.
Fail-Safe
FAIL-SAFE FUNCTION
If a communication error exists between the A/C auto amp., the AV
...